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Finding the Fourth Proportional to 181.38, 249.60 and 175.44

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Solution

The fourth proportional to 181.38, 249.60 and 175.44 is: 241.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.38 : 249.60 = 175.44 : x
  2. Step 2: Convert to fraction form
    181.38/249.60 = 175.44/x
  3. Step 3: Cross multiply
    181.38x = 249.60 × 175.44
  4. Step 4: Simplify right side
    181.38x = 43,789.82
  5. Step 5: Solve for x
    x = 43,789.82/181.38
  6. Step 6: Final answer
    x = 241.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.